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8XA8

Cryo-EM structure of Bacillus RNAP and HelD complex

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, B)
DNA-directed RNA polymerase subunit alphapolymer31434842.42UniProt (P20429)
Pfam (PF01193)
Pfam (PF01000)
Pfam (PF03118)
Bacillus
2C
(D)
DNA-directed RNA polymerase subunit beta'polymer1199134445.01UniProt (P37871)
Pfam (PF04997)
Pfam (PF00623)
Pfam (PF04983)
Pfam (PF05000)
Pfam (PF04998)
Bacillus
3D
(E)
DNA-directed RNA polymerase subunit epsilonpolymer698277.41UniProt (A0A063XGL2)
Pfam (PF07288)
UniProt (by SIFTS) (O31718)
Bacillus
4E
(F)
DNA-directed RNA polymerase subunit omegapolymer677766.91UniProt (O35011)
Pfam (PF01192)
Bacillus
5F
(H)
DNA helicase IVpolymer77490052.51UniProt (O32215)
Pfam (PF00580)
Pfam (PF13538)
Bacillus
6G
(C)
DNA-directed RNA polymerase subunit betapolymer1193133847.91UniProt (P37870)
Pfam (PF04560)
Pfam (PF04563)
Pfam (PF04561)
Pfam (PF04565)
Pfam (PF10385)
Pfam (PF00562)
Bacillus
7H
(I)
DNA-directed RNA polymerase subunit deltapolymer17320417.91UniProt (P12464)
Pfam (PF05066)
Bacillus
8I, K
(D)
ZINC IONnon-polymer65.42Chemie (ZN)
9J
(D)
MAGNESIUM IONnon-polymer24.31Chemie (MG)
PubChem (888)
Sequence modifications
E: 1 - 69 (UniProt: A0A063XGL2)
PDBExternal DatabaseDetails
Ile 33Val 33engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains8
Total formula weight464492.4
Non-Polymers*Number of molecules3
Total formula weight155.1
All*Total formula weight464647.5
*Water molecules are not included.

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PDB entries from 2026-04-08

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